Why is my phone battery depleting several % every minute now?

Samsung Galaxy A34 5G, Android 15, One UI 7. Literally never happened before until when I charged my phone in the morning. In the battery part for settings, it doesn't show any app that's unusually eating up resources. Recharging doesn't seem to really be that off, but discharging is extremely fast. Even my gaming laptop isn't even discharging the battery this much!

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IUsedToBeHere · 26-30, M Best Comment

Battery is damaged.. the last time that happened to me was years ago with an iPhone 4s after using it outside in very cold weather.

uikakarotuevegeta · 26-30, M

@IUsedToBeHere i did a system reboot and now it's back to normal wtf

AccuBattery showed my discharge rate was -120%/hr before, and after now it's down to -5%/hr